On Sunday 11 March 2007 05:32, falls huang wrote:
> Hello all !
>
>    I use "dd of=/mnt/yaffs2/vfat.img bs=1024 seek=1800000 count=0" to
> create a large file in yaffs2 quickly, but I found when I
> umount/remount it , the filesize of vfat.img reduce to zero. I
> searched the source of yaffs2 and I found it's the problem of
> yaffs_ResizeFile() , so I wrote a simple patch. I don't know if the
> patch is right , but anyway it worked well in my board.

From a quick look, it does look like there is a bug here.

I will confirm this and sort it out.

Thanx.

-- Charles

>
> --- yaffs_guts.c    2007-03-11 00:25:34.000000000 +0800
> +++ yaffs_guts.c.orig   2007-03-11 00:24:27.000000000 +0800
> @@ -4310,8 +4310,6 @@
>         in->variant.fileVariant.fileSize = newSize;
>
>         yaffs_PruneFileStructure(dev, &in->variant.fileVariant);
> -   } else if (newSize > oldFileSize) {
> -        in->variant.fileVariant.fileSize = newSize;
>     }
>     /* Write a new object header.
>      * show we've shrunk the file, if need be